Gene Mutations -Multiple Choice Questions Quiz

Interactive MCQs on the topic “Gene Mutations”:

Solve the following 10 questions: Only one option is correct. Click on the “Submit” button when done. Click on the “embed” button to use this quiz on your website. Click on “WhatsApp” to share this quiz.

Question 1:What is a gene mutation?

(A) A change in the protein structure only
(B) A change in the DNA sequence
(C) A change in the RNA sequence
(D) A change in the cell size

Question 2:Which type of mutation involves the substitution of one base for another?

(A) Insertion
(B) Deletion
(C) Point mutation
(D) Frame-shift mutation

Question 3: What can cause gene mutations?

(A) Lack of sleep
(B) Errors during DNA replication or environmental factors
(C) Improper cell division
(D) A decrease in oxygen levels

Question 4:What is a silent mutation?

(A) A mutation that causes disease
(B) A mutation that changes the protein structure
(C) A mutation that changes the DNA sequence
(D) A mutation that does not affect the protein

Question 5:What is the result of a frameshift mutation?

(A) The protein remains unchanged
(B) The protein structure is slightly altered
(C) The protein is completely different
(D) The mutation is silent

Question 6:What is a chromosomal mutation?

(A) A mutation that only occurs in the gene
(B) A mutation involving changes in chromosomes
(C) A mutation in a single nucleotide
(D) A mutation in the RNA

Question 7:What type of mutation involves the addition of one or more nucleotides into the DNA sequence?

(A) Deletion
(B) Insertion
(C) Substitution
(D) Frame-shift

Question 8:What is the effect of a deletion mutation?

(A) No effect on the protein
(B) A slight change in the protein’s structure
(C) A major change in the protein or nonfunctional protein
(D) The protein becomes larger

Question 9:How can a mutation be passed on to the next generation?

(A) Only if it is a silent mutation
(B) If it occurs in a somatic cell
(C) Only if it causes a disease
(D) If it occurs in a gamete (sperm or egg)

Question 10:Which of the following is an example of a beneficial mutation?

(A) A mutation that leads to a genetic disorder
(B) A mutation that has no effect on the organism
(C) A mutation that improves survival, like antibiotic resistance
(D) A mutation that causes cancer